Having problems with your 1995 Nissan Altima ?

I have a 2005 nissan altima 2.5 vtech engine. I have it for 3 years always changed the oil at the 3,000 mile mark but lately it has been making a loud noise when i turn it on but then it goes away..but the problem is that the water from the radiator is always low. I have to put in water maybe twice a week. The radiator is brand new so I dont know if its the water pump or leak I need to find out... also the thing is this the fan that keeps the engine from overheating sometimes it does not want t

Posted / edited by AnonymousUser on : 15-08-2022

Answers :

You may have a head gasket in the throes of failing.\012
\012Some of the symptoms are coolant loss, rough running when cold (a small amount of water is sucked into a cylinder when it cools down), above average coolant temperature (causing the fan to run on).\012When checking your oil, pay close attention to any signs of discoloration and sniff the coolant overflow bottle for traces of exhaust fumes.\012
\012The gasket can fail between different points; cylinder to water jacket. This causes higher than normal coolant temps and can cause hard starting and rough idle when cold. If this point fails, the combustion can force hot gases into the water jacket and then sucking in some coolant when the motor cools down. The latter can cause cold-starting problems and stalling until warmed up and free of water in a cylinder. \012
\012Oil passages to coolant jacket; oil is under higher pressure than coolant which can force some oil into the water jacket. When severe, it can make Jergen's Lotion out of the oil (that doesn't help lubrication) and discolor and lend odor to the coolant. \012
\012If you don't mind dirty hands, I would remove each sparkplug from the cold engine and look for signs of rust or even dewy coolant deposits on the base of the plugs; been there, seen that.\012
\012Unfortunately, a failing head gasket won't set any error codes until severe enough to cause other problems to monitored areas.
Repair Help & Product Troubleshooting for 1995 Nissan Altima

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